1087806000 has 80 divisors (see below), whose sum is σ = 3507105888. Its totient is φ = 290080000.

The previous prime is 1087805989. The next prime is 1087806001. The reversal of 1087806000 is 6087801.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1087806001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84651 + ... + 96650.

Almost surely, 2^1087806000 is an apocalyptic number.

1087806000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087806000 is an abundant number, since it is smaller than the sum of its proper divisors (2419299888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087806000 is a wasteful number, since it uses less digits than its factorization.

1087806000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181327 (or 181311 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1087806000 is about 32981.9041293859. The cubic root of 1087806000 is about 1028.4515016702.

The spelling of 1087806000 in words is "one billion, eighty-seven million, eight hundred six thousand".